255755783 has 4 divisors (see below), whose sum is σ = 255848160. Its totient is φ = 255663408.

The previous prime is 255755779. The next prime is 255755813. The reversal of 255755783 is 387557552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255755783 - 2² = 255755779 is a prime.

It is a super-2 number, since 2×255755783² = 130822041075886178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255755723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41903 + ... + 47616.

It is an arithmetic number, because the mean of its divisors is an integer number (63962040).

Almost surely, 2^255755783 is an apocalyptic number.

255755783 is a deficient number, since it is larger than the sum of its proper divisors (92377).

255755783 is an equidigital number, since it uses as much as digits as its factorization.

255755783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92376.

The product of its digits is 1470000, while the sum is 47.

The square root of 255755783 is about 15992.3663977536. The cubic root of 255755783 is about 634.7584449208.

The spelling of 255755783 in words is "two hundred fifty-five million, seven hundred fifty-five thousand, seven hundred eighty-three".